References
- Bishop D., Rosenbloom L. Childhood language disorders, classification and overview. Language Development and Disorders, W. Yule, M. Rutter. Mackeith Press, Oxford 1987
- Wilson B., Riscucci D. A model for clinical quantitative classification. Generation 1: application to language disordered preschool children. Brain and Language 1986; 27: 281–309